SAW Components Data Sheet B3873 SAW Components B3873 Low-Loss Filter 240,0 MHz Data Sheet Ceramic package DCC18 Features ● High performance IF bandpass filter ● Temperature stable ● Hermetically sealed ceramic package Terminals ● Gold plated Dimensions in mm, approx. weight 0,7 g Pin configuration 10 1 5 6 3, 8 2, 4, 7, 9 Type B3873 Input Input ground Output Output ground Ground Case ground Ordering code Marking and Package Packing B39241-B3873-U210 according to C61157-A7-A54 according to F61074-V8166-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps -40/ +85 -40/ +85 0 0 2 ˚C ˚C V dBm Nov 06, 2002 SAW Components B3873 Low-Loss Filter 240,0 MHz Data Sheet Characteristics Operating temperature: T = -10..+85 ˚C Terminating source impedance: ZS=50 Ω and matching network Terminating load impedance: ZS=50 Ω and matching network min. typ. max. Nominal frequency fN — 240,0 — Minimum insertion attenuation (including matching network) αmin 12,0 14,0 16,0 B1dB 1,1 1,25 — MHz — 0,7 1,0 dB τ — 1,8 3,5 µs fN ± 0,55 MHz ∆τ — 120 200 ns Deviation of linear phase (p-p) fN ± 0,55 MHz ∆ϕ — 5 6 ˚ Relative attenuation (relative to αmin) fN ± 0,9 MHz ... fN ± 1,25 MHz fN ± 1,25 MHz ... fN ± 1,7 MHz fN ± 1,7 MHz ... fN ± 1,9 MHz fN ± 1,9 MHz ... fN ± 2,5 MHz fN ± 2,5 MHz ... fN ± 7,0 MHz fN ± 7,0 MHz ... fN ± 70 MHz αrel 10 25 32 35 38 40 15 30 35 40 42 45 — — — — — — dB dB dB dB dB dB 12 17 — dB TCf — – 0,036 — ppm/K2 T0 — 40 — ˚C Passband width αrel ≤ 1 dB fN ± 0,55 MHz Absolute group delay (at fN) Input and output return loss Temperature coefficient of frequency 1) Turnover temperature 1) Temperature dB ∆α Amplitude ripple (p-p) Group delay ripple (p-p) MHz dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2) 3 Nov 06, 2002 SAW Components B3873 Low-Loss Filter 240,0 MHz Data Sheet Matching network to 50 Ω (Element values depend upon PCB layout) Ls2 Cp1 Ls4 Lp5 Cp5 Lp3 Cp1 = 15 pF Ls4 = 10 nH Ls2 = 27 nH Lp5 = 10 nH Lp3 = 7,8 nH 4 Nov 06, 2002 SAW Components B3873 Low-Loss Filter 240,0 MHz Data Sheet Normalized frequency response Normalized frequency response (pass band) 5 Nov 06, 2002 SAW Components B3873 Low-Loss Filter 240,0 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices. 6 Nov 06, 2002